318225325225 has 6 divisors (see below), whose sum is σ = 394599403310. Its totient is φ = 254580260160.

The previous prime is 318225325217. The next prime is 318225325331. The reversal of 318225325225 is 522523522813.

It can be written as a sum of positive squares in 3 ways, for example, as 21578434816 + 296646890409 = 146896^2 + 544653^2 .

It is not a de Polignac number, because 318225325225 - 2³ = 318225325217 is a prime.

It is a super-2 number, since 2×318225325225² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6364506480 + ... + 6364506529.

Almost surely, 2^318225325225 is an apocalyptic number.

It is an amenable number.

318225325225 is a deficient number, since it is larger than the sum of its proper divisors (76374078085).

318225325225 is a wasteful number, since it uses less digits than its factorization.

318225325225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12729013019 (or 12729013014 counting only the distinct ones).

The product of its digits is 288000, while the sum is 40.

The spelling of 318225325225 in words is "three hundred eighteen billion, two hundred twenty-five million, three hundred twenty-five thousand, two hundred twenty-five".